diff --git a/data/units/Cave_Spider.cfg b/data/units/Cave_Spider.cfg
index b6dac10a2ca..d823000b654 100644
--- a/data/units/Cave_Spider.cfg
+++ b/data/units/Cave_Spider.cfg
@@ -3,6 +3,7 @@ id=Giant Spider
 name= _ "Giant Spider"
 race=monster
 image=cavespider.png
+image_defensive=cavespider-defend.png
 hitpoints=54
 movement_type=mountainfoot
 movement=6
diff --git a/images/cavespider-defend.png b/images/cavespider-defend.png
new file mode 100644
index 00000000000..56cbb8b4db6
Binary files /dev/null and b/images/cavespider-defend.png differ